Home / 788,362.44-1,087,939.88-425,786.20

Finding the Fourth Proportional to 788,362.44, 1,087,939.88 and 425,786.20

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Solution

The fourth proportional to 788,362.44, 1,087,939.88 and 425,786.20 is: 587,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,362.44 : 1,087,939.88 = 425,786.20 : x
  2. Step 2: Convert to fraction form
    788,362.44/1,087,939.88 = 425,786.20/x
  3. Step 3: Cross multiply
    788,362.44x = 1,087,939.88 × 425,786.20
  4. Step 4: Simplify right side
    788,362.44x = 463,229,787,333.66
  5. Step 5: Solve for x
    x = 463,229,787,333.66/788,362.44
  6. Step 6: Final answer
    x = 587,584.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.